Image Processing Method and Display System Thereof

Abstract

An image processing method for an image processing device is disclosed. The image processing method includes receiving a setting value and a display data; calculating and converting a plurality of input pixel values of the display data according to the setting value, to obtain a plurality of target output pixel values of the display data; and adjusting a plurality of output pixel values of the display data to the plurality of target output pixel values in a plurality of frames gradually.

What is claimed is: 
     
         1 . An image processing method for an image processing device, comprising:
 receiving a setting value and display data;   calculating and converting a plurality of input pixel values of the display data according to the setting value, to obtain a plurality of target output pixel values of the display data; and   adjusting a plurality of output pixel values of the display data to the plurality of target output pixel values in a plurality of frames gradually.   
     
     
         2 . The image processing method of  claim 1 , wherein the setting value is corresponding to a target input-output curve among a plurality of input-output curves, and the step of calculating and converting the plurality of input pixel values of the display data according to the setting value, to obtain the plurality of target output pixel values of the display data comprises:
 calculating and converting the plurality of input pixel values of the display data according to the target input-output curve, to obtain the plurality of target output pixel values of the display data.   
     
     
         3 . The image processing method of  claim 2 , wherein the step of adjusting the plurality of output pixel values of the display data to the plurality of target output pixel values in the plurality of frames gradually comprises:
 calculating and converting the plurality of input pixel values of the display data in the plurality of frames gradually according to a plurality of adjusting input-output curves form an initial input-output curve to the target input-output curve, to adjust the plurality of output pixel values of the display data to the plurality of target output pixel values in the plurality of frames gradually.   
     
     
         4 . The image processing method of  claim 3 , wherein the step of calculating and converting the plurality of input pixel values of the display data in the plurality of frames gradually according to the initial input-output curve to the target input-output curve comprises:
 switching at least one adjusting input-output curve among the plurality of adjusting input-output curve every one or more than one frames in the plurality of frames.   
     
     
         5 . The image processing method of  claim 1 , wherein the step of adjusting the plurality of output pixel values of the display data to the plurality of target output pixel values of the display data in the plurality of frames gradually comprising:
 changing the plurality of output pixel values of the display data by a fixed pixel values every time in the plurality of frames gradually, to adjust the plurality of output pixel values of the display data to the plurality of target output pixel values in the plurality of frames gradually.   
     
     
         6 . The image processing method of  claim 5 , wherein the step of changing the plurality of output pixel values of the display data by the fixed pixel values every time in the plurality of frames gradually, to adjust the plurality of output pixel values of the display data to a plurality of target output pixel values in the plurality of frames comprising:
 changing the plurality of output pixel values of the display data by fixed pixel values every one or more than one frames in the plurality of frames.   
     
     
         7 . The image processing method of  claim 1 , wherein the step of adjusting the plurality of output values of the display data to the plurality of target output pixels values in the plurality of frames gradually comprises:
 dividing each of difference values between the plurality of target output pixel values and the plurality of output pixel values into a plurality of equal values; and   changing the plurality of output pixel values of the display data by one of the plurality of equal values in the plurality of frames gradually, to adjust the plurality of output pixel values of the display data to the plurality of target output pixel values in the plurality of frames gradually.   
     
     
         8 . The image processing method of  claim 7 , wherein the step of adjusting the plurality output pixel values of the display data to the plurality of target output pixel values in the plurality of frames gradually comprises:
 changing the plurality of output pixel values of the display data by one of the plurality of equal values gradually every one or more than one frames in the plurality of frames.   
     
     
         9 . The image processing method of  claim 1 , wherein the pixel value is a presentation manner of color gamut or a special format accepted by the display device. 
     
     
         10 . The image processing method of  claim 1 , wherein the pixel value is a gray level or a chroma value. 
     
     
         11 . A display system, comprising:
 a host device, for transmitting a setting value and a display data;   an image processing device, for receiving the setting value and the display data, calculating and converting a plurality of input pixel values of the display data according to the setting value, to obtain a plurality of target output pixel values of the display data, adjusting a plurality of output pixel values of the display data to the plurality of target output pixel values in a plurality of frames gradually; and   a display, for displaying according to a plurality of output pixel values of the display data.   
     
     
         12 . The display system of  claim 11 , wherein the setting value is corresponding to a target input-output curve among a plurality of input-output curves and the image processing device calculates and converts the plurality of input pixel values of the display data according to the target input-output curve, to obtain the plurality of target output pixel values of the display data. 
     
     
         13 . The display system of  claim 12 , wherein the image processing device calculates and converts the plurality of input pixel values of the display data in the plurality of frames gradually according to a plurality of adjusting input-output curves form an initial input-output curve to the target input-output curve, to adjust the plurality of output pixel values of the display data to the plurality of target output pixel values in the plurality of frames gradually. 
     
     
         14 . The display system of  claim 13 , wherein the image processing device switches the input-output curves among the plurality of adjusting input-output curve by one or more than one terms every one or more than one frames in the plurality of frames. 
     
     
         15 . The display system of  claim 11 , wherein the image processing device changes the plurality of output pixel values of the display data
 by a fixed pixel value every time in the plurality gradually, to adjust the plurality of output pixel values of the display data to the plurality of target output pixel values in the plurality of frames gradually.   
     
     
         16 . The display system of  claim 15 , wherein the image processing device changes the plurality of output pixel values of the display data by fixed pixel values every one or more than one frames in the plurality of frames. 
     
     
         17 . The display system of  claim 11 , wherein the image processing device divides each of difference values between the plurality of target output pixel values and the plurality of output pixel values to a plurality of equal values and changes each of the plurality of output pixel values of the display data by one of the plurality of equal values in the plurality of frames gradually, to adjust the plurality of output pixel values of the display data to the plurality of target output pixel values in the plurality of frames gradually. 
     
     
         18 . The display device of  claim 17 , wherein the image processing device changes the plurality of output pixel values of the display data by one of the plurality of equal values gradually every one or more than one frames in the plurality of frames. 
     
     
         19 . The display device of  claim 11 , wherein the pixel values is a presentation manner of color gamut or a special format accepted by the display device. 
     
     
         20 . The display system of  claim 11 , wherein the pixel values is a gray level or a chroma value.